EP 1907328 A1 20080409 - METHOD OF DRYING SLUDGES
Title (en)
METHOD OF DRYING SLUDGES
Title (de)
VERFAHREN ZUM TROCKNEN VON SCHLAMMEN
Title (fr)
PROCEDE DE DESHYDRATATION DE BOUES
Publication
Application
Priority
- NZ 2006000187 W 20060724
- NZ 54142605 A 20050725
Abstract (en)
[origin: WO2007013819A1] The invention comprises method of and apparatus for drying pasty materials. The pasty materials are subjected to a first drying stage (1) at a first temperature, and then subjecting the partially dried pasty material are subjected to a second drying stage (10) at a second temperature. The second temperature is lower than the first temperature. The invention also envisages a method of drying and sterilising a pasty material comprising the steps of subjecting the pasty material to a first heat sterilisation process (1) and then a second heat drying process (10). The invention also envisages a method of drying pasty materials wherein the pasty material is broken into pieces (55) and partially dried (56) to form a crust at least partially over each piece prior to further processing of the pasty material.
IPC 8 full level
C02F 11/12 (2006.01); F26B 3/00 (2006.01)
CPC (source: EP KR US)
C02F 1/04 (2013.01 - KR); C02F 9/00 (2013.01 - KR); C02F 11/12 (2013.01 - EP US); C02F 11/126 (2013.01 - EP KR US); C02F 11/13 (2018.12 - EP US); F26B 1/005 (2013.01 - EP KR US); F26B 11/04 (2013.01 - EP US); F26B 17/08 (2013.01 - EP KR US); F26B 21/10 (2013.01 - EP KR US); C02F 2201/002 (2013.01 - KR); F26B 2200/18 (2013.01 - EP KR US); Y02W 10/20 (2015.05 - KR)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007013819 A1 20070201; AU 2006272968 A1 20070201; AU 2006272968 B2 20110714; CA 2616812 A1 20070201; CA 2616812 C 20160405; CN 101365655 A 20090211; CN 101365655 B 20120905; EP 1907328 A1 20080409; EP 1907328 A4 20090506; EP 1907328 B1 20151007; KR 101092739 B1 20111209; KR 20080064111 A 20080708; NZ 541426 A 20080630; US 2008216346 A1 20080911
DOCDB simple family (application)
NZ 2006000187 W 20060724; AU 2006272968 A 20060724; CA 2616812 A 20060724; CN 200680033765 A 20060724; EP 06769490 A 20060724; KR 20087003491 A 20060724; NZ 54142605 A 20050725; US 99667906 A 20060724